Understanding the human body is a team effort. That's where the Yachtel group comes in.

Researchers at Yachtolt have been delving into the secrets of probiotics for 90 years.

Yacold also partners with nature portfolio to advance gut microbiome science through the global grants for gut health, an investigator-led research program.

To learn more about Yachtolt, visit yawcult.co.

.jp.j. That's Y-A-K-U-L-T.C-O.J-P. When it comes to a guide for your gut, count on Yacolt.

This is Scientific American's 60-second science. I'm Christopher in Taliatta.

You never know if your loved ones are going to like what you bought them for the holidays.

But one thing you can count on, a huge pile of paper trash, the detritus from unwrapping presents.

Americans spend more than $8 billion a year on wrapping paper, according to a recent report by Sundale

research, and we toss millions of pounds of that precious paper in the garbage. Truth is, it's

not that easy to recycle. Metallic or shiny wrapping papers can't be recycled, neither can

bows or ribbons, and tissue paper doesn't have long enough fibers for recycling. One municipal recycler suggests composting tissue paper instead.

And though we're spending a lot of money on wrapping paper and ribbons today,

Grandview Research forecasts will be buying more decorative boxes, pouches, and bags in the future,

which is a more sustainable choice because those items can be used year after year.

Rapping gifts in fabric, a Japanese tradition, is also growing in popularity.

And if you're wondering whether you should even bother wrapping next year's presence,

a 1992 study in the Journal of Consumer Psychology found that people were happier with their gifts

when they got to unwrap them.

So here's an idea.

Instead of spending money on wrapping paper, maybe use money as wrapping paper.

And that should just about put a bow on it.

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